<template>
    <Header></Header>
    <div class="fixed">
        <div class="bgColor">
            <h1 class="main-shopcart">购物车</h1>
        </div>
        <div class="container">
            <div class="main">
                <div class="nav">
                    <span class="left">全部课程</span>
                </div>
                <ul class="head">
                    <li class="item check">
                        <el-checkbox v-model="isChecked" @change="checkAll">全选</el-checkbox>
                    </li>
                    <li class="item classInfo">课程信息</li>
                    <li class="item price">单价</li>
                    <li class="item count">数量</li>
                    <li class="item total">金额</li>
                    <li class="item function">操作</li>
                </ul>

                <!--  有数据则展示 -->
                <div v-if="cartList.length > 0">
                    <ul class="haveorder" v-for="(item, index) in cartList" :key="item.id">
                        <li class="order-item">
                            <!-- v-model 的可选值为 true false -->
                            <el-checkbox v-model="item.check" @change="cartStore.itemChecked(index)"></el-checkbox>
                        </li>
                        <li class="order-item info">
                            <div class="courseimg">
                                <img :src="item.courseCover" alt="">
                            </div>
                            <div class="course-name">{{ item.courseName }}</div>
                        </li>
                        <li class="order-item">￥{{ item.discountPrice }}</li>
                        <li class="order-item num">{{ item.counter }}</li>
                        <li class="order-item totoalprice">￥{{ item.discountPrice }}</li>
                        <li class="order-item delete" @click="del(item.id)">
                            <a href="javascript:;">
                                <i class="el-icon-delete"></i>
                                <span class="deletd-text">删除</span>
                            </a>
                        </li>
                    </ul>
                </div>

                <div class="noOrder" v-else>
                    <!-- <img src="/image/norder365.png" alt=""> -->
                    <div class="order-alert">哎呦！暂无订单</div>
                </div>

                <el-divider class="line"></el-divider>
                <ul class="foot">
                    <li class="foot-item">已选课程<span class="unique">{{ total.number }}</span></li>
                    <li class="foot-item">合计<span class="unique">{{ total.price }}</span></li>
                    <li>
                        <button class="btn" @click="goOrder()">去结算</button>
                    </li>
                </ul>
            </div>
        </div>
    </div>
    <Foot></Foot>
</template>

<script setup>



//组件
import Header from '../components/common/Header.vue'
import Foot from '../components/Home/Footer.vue'

import { createToken } from '@/utils/api/createToken'

// api 
import { getShopCarList, deleteShopCar } from '@/utils/api/cart'

//element
import { ElMessageBox } from 'element-plus';
import { ElMessage } from 'element-plus';

// pinia
import { useCartStore } from '@/store/cart'

// 导入 pinia 中的 storeToRefs 方法 进行解构
import { storeToRefs } from 'pinia';
let cartStore = useCartStore();

// 解构数据
let { cartList, isChecked, total } = storeToRefs(cartStore)

let router = useRouter();

// console.log(cartList.length)

// 生命周期
onBeforeMount(() => {
    getShopCarList().then(res => {
        // 存入addCart函数内
        cartStore.addCart(res.data.data.list)
        // console.log(11)
        console.log(res.data.data.list)
    })

})

// 点击全选
const checkAll = () => {
    console.log(isChecked.value)
    // 点击的时候 
    if (isChecked.value) {
        //全不选
        cartStore.unAll();
    } else {
        //全选
        cartStore.all();

    }
}

// 删除购物车数据
const del = (id) => {

    ElMessageBox.confirm('确定删除该课程吗？', '删除', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
    }).then(() => {

        createToken().then(res => {
            let token = res.data.data.token;
            // 删除购物车数据请求
            deleteShopCar({
                id  // 传递点击的课程卡片id
            }, token).then(res => {
                // 删除成功的情况
                if (res.data.meta.code == '200') {

                    ElMessage.success({
                        message: '删除成功!'
                    });

                    // 再次发送请求（删除后的数据）
                    getShopCarList().then(res => {
                        cartStore.cartList = res.data.data.list

                    })
                }
            });
        })

    }).catch(() => {
        ElMessage.info({
            message: '已取消删除'
        });
    });

}

// 进入确认订单页
const goOrder = () => {
    router.push('/confirmOrder')
}

</script>
<style scoped>
.fixed {
    width: 100%;
    height: 100%;
    background: #FFFFFF;
}

.bgColor {
    width: 100%;
    height: 200px;
    background-color: red;
    /* 线性梯度 */
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.container {
    width: 1200px;
    margin: -100px auto 50px auto;
    background: #EBEDF2;
    border-radius: 12px;
    box-shadow: 0px 2px 5px #888888;
}

.main {
    padding: 20px;
    border-radius: 5px;
}

.main-shop {
    position: relative;
    display: flex;
    align-content: center;
}

.main-shop i {
    font-size: 35px;
    padding: 20px 10px 0 0;
    color: #FF4400;
    font-weight: bold;
}

.main-shopcart {
    width: 1200px;
    margin: 0 auto;
    height: 42px;
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    line-height: 35px;
    color: #FFFFFF;
    padding: 30px 0;
    opacity: 1;
}

.nav {
    display: flex;
    justify-content: space-between;
    border-bottom: 2px solid #E6E6E6;

}

.nav .left {
    width: 80px;
    height: 26px;
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    line-height: 0px;
    color: #FF4400;
    opacity: 1;
    border-bottom: 2px solid #FF4400;
}

.nav .right {
    width: 108px;
    height: 24px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 0px;
    color: #333333;
    opacity: 0.5;
}

/* 头部开始 */
.head {
    display: flex;
    padding: 0 10px;
    margin: 20px 0;
    width: 100%;
    height: 35px;
    line-height: 35px;
    background: #FCFCFC;
    opacity: 1;
    border-radius: 0px;
    box-sizing: border-box;
    border-radius: 5px;
    box-shadow: 0px 2px 5px 2px #cccccc;
}

.head .item {
    width: 150px;
    font-size: 14px;
    color: #333333;
}

.check .all {
    margin-right: 10px;
}

.check .text {
    width: 1487px;
    height: 40px;

}

.classInfo {
    width: 400px !important;
    color: #333333;
}

/* 头部结束 */

/* 订单开始 */
.haveorder {
    display: flex;
    width: 100%;
    height: 200px;
    background: #FCFCFC;
    margin-bottom: 10px;
    border-radius: 5px;
    box-shadow: 0px 2px 5px 2px #cccccc;
}

.haveorder .order-item {
    height: 200px;
    line-height: 200px;
    margin: 5px;
}

.order-item:first-child {
    width: 30px;
}

.order-item {
    width: 150px;
    font-size: 16px;
    color: #333333;
}

.totoalprice {
    color: #E2231A;
}

.num {
    width: 120px !important;
    padding-left: 15px;
}

.info {
    display: flex;
    width: 470px !important;
    height: 200px;
    line-height: 200px;
}

.courseimg {
    margin: 40px 20px 40px 0;
    width: 200px;
    height: 120px;
}

.courseimg img {
    width: 100%;
    height: 100%;
}

.info .course-name {
    width: 300px;
    word-break: keep-all;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.delete {
    cursor: pointer;
}

.deletd-text {
    margin-left: 5px;
}

/* 订单结束 */

/* 暂无订单开始 */
.noOrder {
    width: 100%;
    height: 100%;
    text-align: center;
    margin: 200px 0;
}

.order-alert {
    height: 31px;
    font-size: 20px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 0px;
    color: #B5B9BC;
    opacity: 1;
    margin: 20px 120px;

}

/* 暂无订单结束 */
.foot {
    display: flex;
    justify-content: flex-end;
    width: 100%;
    height: 40px;
    line-height: 40px;
    color: #333333;
    margin-bottom: 10px;
}

.foot-item {
    width: 120px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    font-weight: 400;
    color: #333333;
}

.unique {
    margin-left: 5px;
    font-size: 24px;
    color: #FF4400;
}

.btn {
    width: 120px;
    height: 40px;
    margin-left: 20px;
    border: none;
    color: #FFFFFF;
    font-size: 22px;
    border-radius: 5px;
    background: #FF4400;
    cursor: pointer;
    box-shadow: 0px 3px 5px 2px #ff727f;
}
</style>